protected unsafe void EnableActionGetRoom()
        {
            iCallbackGetRoom = new CallbackGetRoom(DoGetRoom);
            IntPtr ptr = GCHandle.ToIntPtr(iGch);

            DvServiceZappOrgTestLights1EnableActionGetRoom(iHandle, iCallbackGetRoom, ptr);
        }
 static extern void DvServiceZappOrgTestLights1EnableActionGetRoom(uint aHandle, CallbackGetRoom aCallback, IntPtr aPtr);